Block Diagram - Cd Servo Section - Sony ZS-Y3 Service Manual

5-1. BLOCK DIAGRAM – CD SERVO SECTION –
OPTICAL PICK-UP
BLOCK
(KSM-213RAP)
DETECTOR
A
D
B C
E
F
LASER DIODE
AUTOMATIC
POWER
CONTROL
Q701
LD
PD
2-AXIS
DEVICE
M702
M
(SLED)
M701
M
(SPINDLE)
ZS-Y3
RF
FIN2 +
8 4
PH/BH
FIN1
+
7
TIN1
9
TIN2 +
10
LDD
80
APC
LDS
79
FOCUS/TRACKING COIL DRIVE,
SPINDLE/SLED MOTOR DRIVE
IC702
T+
12
TIN
TRACKING
9
T–
COIL DRIVE
11
F+
17
FIN
FOCUS
19
F–
COIL DRIVE
18
SL+
26
SLIN
SLED
25
SL–
MOTOR DRIVE
27
SP+
2
SPIN
SPINDLE
3
SP–
MOTOR DRIVE
1
MUTE 7
SLICE ERROR
EFMIN
3 LEVEL CORRECTION
CONTROL AUDIO CD
RF AMP, FOCUS/TRACKING SERVO,
DIGITAL SIGNAL PROCESSOR,
CLV SERVO, D/A CONVERTER
IC701
CLV,CAV
CONTROL
AGC
HFL
PH(RFENV)
A/D
CONVERTER,
FE SWITCH
SERVO
PROCESSOR
TE
VREF
FRAME SYNC
DETECT,PROTECT
INSERT
EFM DECODER
D/A
CONVERTER
20 21 22 23 67 31
S701
(LIMIT)
15 15
LCHO
42
INTERPOLATION 8FS
MUTE DIGITAL
LPF
& FILTER
RCHO
ATTENUATION &
45
DEEMPHASIS 1-bit DAC
16.9344MHz
XIN
49
CLOCK
GENERATOR XOUT
48
PLL
RF AMP, FOCUS/TRACKING SERVO,
VCEC
DIGITAL SIGNAL PROCESSOR,
CLV SERVO, D/A CONVERTER
IC701
GENERAL
COMMAND
PURPOSE
INTERFACE
PORT
72 25 66 63 61 62 65 64
R-ch is omitted due to same as L-ch.
SIGNAL PATH
: CD PLAY
ZS-Y3
CD L-OUT
A (Page 17)
R-CH
X701
SYSTEM CONTROLLER
IC802 (1/2)
27 CD-DOUT
17 CD-WRQ
28 CD-CLK
23 CD-CE
26 CD-DIN
22 CD-RES
25 CD-FSEQ
24 CD-DRF
11
CD DOOR
B (Page 17)
D805
S418
CD LID OPEN/CLOSE
) )
DETECT